5993947008509 has 4 divisors (see below), whose sum is σ = 6092208434940. Its totient is φ = 5895685582080.

The previous prime is 5993947008493. The next prime is 5993947008521. The reversal of 5993947008509 is 9058007493995.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1841847979609 + 4152099028900 = 1357147^2 + 2037670^2 .

It is a cyclic number.

It is not a de Polignac number, because 5993947008509 - 2⁴ = 5993947008493 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5993947008529) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49130713124 + ... + 49130713245.

It is an arithmetic number, because the mean of its divisors is an integer number (1523052108735).

Almost surely, 2^{5993947008509} is an apocalyptic number.

It is an amenable number.

5993947008509 is a deficient number, since it is larger than the sum of its proper divisors (98261426431).

5993947008509 is an equidigital number, since it uses as much as digits as its factorization.

5993947008509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98261426430.

The product of its (nonzero) digits is 110224800, while the sum is 68.

The spelling of 5993947008509 in words is "five trillion, nine hundred ninety-three billion, nine hundred forty-seven million, eight thousand, five hundred nine".